Home / 1,316,400.06-1,974,976.38-777,148.35

Finding the Fourth Proportional to 1,316,400.06, 1,974,976.38 and 777,148.35

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Solution

The fourth proportional to 1,316,400.06, 1,974,976.38 and 777,148.35 is: 1,165,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,400.06 : 1,974,976.38 = 777,148.35 : x
  2. Step 2: Convert to fraction form
    1,316,400.06/1,974,976.38 = 777,148.35/x
  3. Step 3: Cross multiply
    1,316,400.06x = 1,974,976.38 × 777,148.35
  4. Step 4: Simplify right side
    1,316,400.06x = 1,534,849,635,005.97
  5. Step 5: Solve for x
    x = 1,534,849,635,005.97/1,316,400.06
  6. Step 6: Final answer
    x = 1,165,944.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.